Preparation method of magnetic coating

The technology of magnetic coating and nano-magnetic material is applied in the field of preparation of magnetic coating, which can solve the problems of insufficient magnetic power of magnetic coating, the dispersibility of magnetic powder needs to be improved, and the use effect of magnetic coating is poor, and achieves high magnetic power, low price and granularity. uniform effect

Inactive Publication Date: 2018-09-14
山东思舟信息科技有限公司
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Problems solved by technology

[0006] But the technical defect that the above-mentioned patent application technology exists is: 1, the magnetic power of magnetic coating is insufficient, after coating magnetic coating on body of wall, only can paste light magnetic material, can not be used for fixing or hanging of the object of certain weight, is The practicability is poor; 2. The dispersibility of the magnetic powder in the magnetic paint needs to be improved. The poor dispersibility of the magnetic powder makes some positions of the wall coated with magnetic paint have a large magnetic force, and some positions have almost no magnetic force, which directly leads to the magnetic force of the magnetic paint. The use effect is poor

Method used

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Embodiment Construction

[0026] The present invention will be further described in detail below through specific embodiments.

[0027] A preparation method of magnetic paint includes the following steps:

[0028] Step 1: Prepare nano-magnetic materials: continuously blow nitrogen into the pressure-resistant steel tank for 5-10 minutes, and weigh the divalent iron salt and trivalent iron salt into the pressure-resistant steel tank at a molar ratio of 1:2 under the protection of a nitrogen atmosphere , After adding dibenzyl ether, oleylamine and oleic acid, the mixed solution is obtained. The pressure-resistant steel tank is sealed and gradually heated. First, heat to 20°C for 30min, then to 80°C for 40min, and finally to 150°C Keep it for 40 minutes, cool the mixture naturally, collect the precipitate, wash and dry to obtain the nano magnetic material;

[0029] Step two, prepare nano-magnetic dispersion: put the nano-magnetic material obtained in step one into an agate mortar and grind at a uniform speed in ...

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Abstract

The invention belongs to the technical field of magnetic materials and particularly relates to a preparation method of a magnetic coating. The preparation method comprises the following steps: step one, preparing a nano magnetic material; step two, preparing a nano magnetic dispersion liquid; and step three, preparing the magnetic coating. The magnetic coating provided by the invention has the characteristics of high magnetic motive force, good magnetic powder dispersibility and good use effect.

Description

Technical field [0001] The invention belongs to the technical field of magnetic materials, and specifically relates to a preparation method of magnetic paint. Background technique [0002] Green paint refers to energy-saving, low-polluting water-based paints, powder paints, high-solids paints and radiation-cured paints, high-solids paints and radiation-cured paints. Before the 1970s, almost all coatings were solvent-based. Since the 1970s, due to the high price of solvents and the increasingly stringent requirements for reducing VOC emissions, more and more coatings with low organic solvent content and without organic solvents have been greatly developed. [0003] Nano-magnetic paint has the characteristics of magnetic power and can absorb magnetic objects. At the same time, because of its durability, waterproof and dirt resistance, and simple construction, it is widely used in decorative areas that require magnetic walls. [0004] The Chinese invention patent application with appl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D199/00C09D197/02C09D103/08C09D5/23C09D7/61C09D7/43C09D5/14
Inventor 孙迎迎
Owner 山东思舟信息科技有限公司
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